text: // import NotifyWhenUpdatedButton from '../components/lessons/NotifyWhenUpdatedButton';
  // import CompleteButton from '../components/lessons/CompleteButton';
  // import WatchLaterButton from '. ./components/lessons/watchLaterButton';
  export default {
      components: {
          // NotifyWhenUpdatedButton,
          // CompleteButton,
          // WatchLaterButton
      },
  /*    mounted() {
          let originalOffsetTop = this.$refs['series-banner-meta'].offsetTop;
          window.addEventListener('scroll', ()=>{
             // console.log('you are scrolling');
              if (window.scrollY >= originalOffsetTop) {
                  this.$refs['series-banner-meta'].classList.add(
                      'is-fixed-to-top'
                      //  = 'fixed', 'full', 'pin-t', 'z-10'
                  );
              } else {
                  this.$refs['series-banner-meta'].classList.remove(
                      'is-fixed-to-top'
                  );
              }
          });
      }*/
  };
  